Finding the Fourth Proportional to 1,684,143.91, 2,324,118.60 and 920,197.48
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Solution
The fourth proportional to 1,684,143.91, 2,324,118.60 and 920,197.48 is: 1,269,872.52
Step by Step Solution
- Step 1: Write the proportion equation
1,684,143.91 : 2,324,118.60 = 920,197.48 : x - Step 2: Convert to fraction form
1,684,143.91/2,324,118.60 = 920,197.48/x - Step 3: Cross multiply
1,684,143.91x = 2,324,118.60 × 920,197.48 - Step 4: Simplify right side
1,684,143.91x = 2,138,648,072,246.04 - Step 5: Solve for x
x = 2,138,648,072,246.04/1,684,143.91 - Step 6: Final answer
x = 1,269,872.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.